CN209843592U - Isolating switch with double protection functions - Google Patents

Abstract

The utility model discloses a dual protect function's isolator, comprising a base plate, the last fixed surface of bottom plate is connected with the connector, one side fixedly connected with power cord of connector, the side fixedly connected with fixed block of connector, the side fixedly connected with clamp plate of fixed block, the inside of fixed block is provided with torsion spring, torsion spring fixedly connected with copper sheet is passed through to the side of fixed block, the last fixed surface of bottom plate is connected with the safety cover. This dual protect function's isolator, through setting up the inserted bar, press the board, the locating lever, gu fixed ring and press the pole, the fixed inserted bar of removal of being convenient for, through setting up the connecting block, the slide, a spring, flexible piece and inserted bar, the inserted bar of being convenient for reciprocates, through setting up the fixed block, the clamp plate, torque spring and copper sheet, the inserted bar of being convenient for pushes down the connection between two blocks of copper sheets of disconnection, keep apart power transmission, reach the effect that first heavy power equipment overhauld and keep apart electric power, thereby reach isolator and have dual protect function's effect.

Description

Isolating switch with double protection functions

Technical Field

The utility model relates to an electric power unit technical field specifically is duplicate protection function's isolator.

Background

An Isolating switch (Isolating switch) is a switching device mainly used for Isolating a power supply and switching over, connecting and cutting off a small current circuit, and has no arc extinguishing function. When the isolating switch is in the separated position, the contacts have insulation distance meeting the specified requirements and obvious disconnection marks; a switching device capable of carrying current in normal loop conditions and current in abnormal conditions (e.g., short circuit) for a specified period of time when in the closed position. The high-voltage isolating switch is generally used as a high-voltage isolating switch, namely an isolating switch with rated voltage of more than 1kV, the high-voltage isolating switch has a simple working principle and structure, but has high requirements on working reliability due to large usage amount, and has large influence on the design, establishment and safe operation of a substation and a power plant. The main characteristic of the isolating switch is that it has no arc-extinguishing capability, and can only open and close the circuit under the condition of no load current.

The internal structure of the currently used isolating switch is complex, and when the isolating switch is maintained after being used, the isolating switch is easy to leak electricity, so that maintenance personnel can have life danger, the working efficiency is influenced, and the work risk is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dual protect function's isolator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the isolating switch with the double protection functions comprises a bottom plate, wherein a connector is fixedly connected to the upper surface of the bottom plate, a power line is fixedly connected to one side of the connector, a fixed block is fixedly connected to the side surface of the connector, a pressing plate is fixedly connected to the side surface of the fixed block, a torsion spring is arranged inside the fixed block, a copper sheet is fixedly connected to the side surface of the fixed block through the torsion spring, a protective cover is fixedly connected to the upper surface of the bottom plate, a connecting block is fixedly connected to the inner top wall of the protective cover, an inserting rod is movably connected to the lower surface of the connecting block, a sliding plate is fixedly connected to the side surface of the inserting rod, a spring and a telescopic block are respectively fixedly connected to the lower surface of the sliding plate, a pressing plate is fixedly connected to the top end of the inserting rod, the upper surface of the fixing ring is provided with a positioning groove, and the inner wall of the positioning groove is inserted with a pressing rod.

Preferably, the number of the connectors, the number of the fixing blocks and the number of the copper sheets are two, the connectors, the fixing blocks and the copper sheets are arranged on two sides of the upper surface of the base plate by taking a middle longitudinal line of the upper surface of the base plate as a symmetry axis, and the two copper sheets are mutually lapped.

Preferably, the pressing plate is located above the copper sheet, the lower surface of the pressing plate is in lap joint with the upper surface of the copper sheet, and a triangular groove is formed right below the copper sheet on the upper surface of the base plate.

Preferably, holes matched with one end of the power line are formed in the two sides of the protective cover, and the inner wall of the protective cover is fixedly connected with a rubber layer.

Preferably, the inside of connecting block is seted up with the groove of slide, spring and flexible piece looks adaptation, and the material of flexible piece is the sponge.

Preferably, the bottom of the one end through connection piece of inserted bar extends to the upper surface of safety cover, the bottom of locating lever and the fixed ring upper surface's of solid fixed ring positioning groove looks adaptation, and the side of locating lever set up with press the one end looks adaptation of pole the groove.

Advantageous effects

The utility model provides a dual protect function's isolator, this dual protect function's isolator, through setting up the inserted bar, press the board, the locating lever, gu fixed ring and press the pole, the inserted bar of the fixed removal of being convenient for, through setting up the connecting block, the slide, a spring, flexible piece and inserted bar, the inserted bar of being convenient for reciprocates, through setting up the fixed block, a pressing plate, torque spring and copper sheet, be convenient for the inserted bar pushes down the connection of breaking off between two copper sheets, keep apart power transmission, reach the effect that first heavy power equipment overhauld isolation electric power, through setting up the safety cover, bottom plate and rubber layer, be convenient for protect the bottom plate, prevent that dust and debris from getting into its inside normal electric power output of influence, thereby reach the effect that isolator has dual protect function.

Drawings

FIG. 1 is a schematic front sectional view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

fig. 3 is an enlarged schematic view of a in fig. 1 of the present invention.

In the figure: the device comprises a base plate 1, a connector 2, a power line 3, a fixing block 4, a pressing plate 5, a torsion spring 6, a copper sheet 7, a protective cover 8, a connecting block 9, an inserting rod 10, a sliding plate 11, a spring 12, a telescopic block 13, a pressing plate 14, a positioning rod 15, a fixing ring 16, a positioning groove 17 and a pressing rod 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an isolating switch with double protection functions comprises a bottom plate 1, wherein the upper surface of the bottom plate 1 is fixedly connected with a connector 2, one side of the connector 2 is fixedly connected with a power line 3, the side surface of the connector 2 is fixedly connected with a fixed block 4, the side surface of the fixed block 4 is fixedly connected with a pressing plate 5, a torsion spring 6 is arranged inside the fixed block 4, the side surface of the fixed block 4 is fixedly connected with a copper sheet 7 through the torsion spring 6, the number of the connectors 2, the number of the fixed block 4 and the number of the copper sheets 7 are two, the two connectors 2, the fixed block 4 and the copper sheets 7 are arranged on two sides of the upper surface of the bottom plate 1 by taking a middle longitudinal line of the upper surface of the bottom plate 1 as a symmetrical axis, the two copper sheets 7 are mutually lapped, the pressing plate 5 is positioned above the copper sheets 7, the lower surface of the pressing plate 5 is lapped with the upper surface of the copper, both sides of the protective cover 8 are provided with holes matched with one end of the power line 3, the inner wall of the protective cover 8 is fixedly connected with a rubber layer, the inner top wall of the protective cover 8 is fixedly connected with a connecting block 9, the lower surface of the connecting block 9 is movably connected with an inserting rod 10, the side surface of the inserting rod 10 is fixedly connected with a sliding plate 11, the lower surface of the sliding plate 11 is respectively fixedly connected with a spring 12 and a telescopic block 13, the inside of the connecting block 9 is provided with a groove matched with the sliding plate 11, the spring 12 and the telescopic block 13, the telescopic block 13 is made of sponge, the top end of the inserting rod 10 is fixedly connected with a pressing plate 14, the lower surface of the pressing plate 14 is fixedly connected with a positioning rod 15, the upper surface of the protective cover 8 is fixedly connected with a fixing ring 16, the upper surface of the fixing ring 16 is provided with a positioning groove 17, the, the bottom of locating lever 15 and the constant head tank 17 looks adaptation of solid fixed ring 16 upper surface, and the side of locating lever 15 sets up the groove with the one end looks adaptation of pressing pole 18, through setting up inserted bar 10, press board 14, locating lever 15, gu fixed ring 16 and press pole 18, the inserted bar 10 of the fixed removal of being convenient for, through setting up connecting block 9, slide 11, spring 12, flexible piece 13 and inserted bar 10, the inserted bar 10 of being convenient for reciprocates, through setting up fixed block 4, clamp plate 5, torsion spring 6 and copper sheet 7, be convenient for inserted bar 10 to push down the connection between two copper sheets 7 of disconnection, keep apart power transmission, reach the effect that first heavy power equipment overhauld isolation power, through setting up safety cover 8, bottom plate 1 and rubber layer, be convenient for protect bottom plate 1, prevent that dust and debris from getting into its inside influence normal power output, thereby reach the effect that isolator has dual protect function.

The working principle is as follows: when the isolating switch with the double protection functions is used, the pressing plate 14 is pressed, the pressing plate 14 drives the inserting rod 10 to move downwards, the positioning rod 15 is inserted into the positioning groove 17 in the upper surface of the fixing ring 16, the positioning rod 15 is fixed through the pressing rod 18, the inserting rod 10 props up the copper sheet 7, the copper sheet 7 in a lap joint mode is disconnected from current between the two connectors 2, after overhauling is completed, the pressing rod 18 is drawn out, the inserting rod 10 moves upwards through the sliding plate 11 and the spring 12 inside the connecting block 9, the copper sheet 7 is in lap joint power-on again through the torsion spring 6, and therefore the effect that the isolating switch has the double protection functions is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Double protect function's isolator, including bottom plate (1), its characterized in that: the upper surface of the bottom plate (1) is fixedly connected with a connector (2), one side of the connector (2) is fixedly connected with a power line (3), the side of the connector (2) is fixedly connected with a fixed block (4), the side of the fixed block (4) is fixedly connected with a pressing plate (5), a torsion spring (6) is arranged inside the fixed block (4), the side of the fixed block (4) is fixedly connected with a copper sheet (7) through the torsion spring (6), the upper surface of the bottom plate (1) is fixedly connected with a protective cover (8), the inner top wall of the protective cover (8) is fixedly connected with a connecting block (9), the lower surface of the connecting block (9) is movably connected with an inserted bar (10), the side of the inserted bar (10) is fixedly connected with a sliding plate (11), and the lower surface of the sliding plate (11) is respectively fixedly connected with a spring (12, the top end of the inserting rod (10) is fixedly connected with a pressing plate (14), the lower surface of the pressing plate (14) is fixedly connected with a positioning rod (15), the upper surface of the protective cover (8) is fixedly connected with a fixing ring (16), the upper surface of the fixing ring (16) is provided with a positioning groove (17), and the inner wall of the positioning groove (17) is spliced with a pressing rod (18).

2. The dual protection function isolator switch of claim 1, wherein: the number of the connectors (2), the fixing blocks (4) and the copper sheets (7) is two, the connectors (2), the fixing blocks (4) and the copper sheets (7) are arranged on two sides of the upper surface of the base plate (1) by taking a middle longitudinal line of the upper surface of the base plate (1) as a symmetry axis, and the two copper sheets (7) are mutually lapped.

3. The dual protection function isolator switch of claim 1, wherein: the pressing plate (5) is located above the copper sheet (7), the lower surface of the pressing plate (5) is in lap joint with the upper surface of the copper sheet (7), and a triangular groove is formed right below the upper surface copper sheet (7) of the base plate (1).

4. The dual protection function isolator switch of claim 1, wherein: the hole with power cord (3) one end looks adaptation is all seted up to the both sides of safety cover (8), the inner wall fixedly connected with rubber layer of safety cover (8).

5. The dual protection function isolator switch of claim 1, wherein: the groove that matches with slide (11), spring (12) and flexible piece (13) is seted up to the inside of connecting block (9), and the material of flexible piece (13) is the sponge.

6. The dual protection function isolator switch of claim 1, wherein: the bottom of the one end through connection piece (9) of inserted bar (10) extends to the upper surface of safety cover (8), the bottom of locating lever (15) and solid fixed ring (16) upper surface constant head tank (17) looks adaptation, and the side of locating lever (15) offer with press the groove of the one end looks adaptation of pole (18).